You might try adding a Shift to your commands, so Ctrl + Shift + C / V . That is how copy pasting is done in the terminal ( Ctrl + C is used to abort terminal commands). Alternatively you can try pasting by pressing Enter or the middle mouse button. More advanced options are described in the man pages.
How do I paste into PuTTY Ubuntu?
6 Answers. You can use the right mouse button to copy it, then click the middle mouse button (wheel) to paste.
How do I copy and paste into PuTTY terminal?
To copy from Windows and paste into PuTTY, highlight the text in Windows, press “Ctrl-C,” select the PuTTY window, and press the right mouse button to paste. To copy from PuTTy and paste into Windows, highlight the information in PuTTY and press “Ctrl-V” in the Windows application to paste it.